Proprietary

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Proprietary

Describing knowledge or another asset that properly belongs to one person or company. Proprietary knowledge and assets are protected and their owner is not required to reveal them. For example, a restaurant that makes the best fried chicken in town cannot be compelled to reveal its recipe as this knowledge gives it a competitive advantage over other restaurants. See also: Trade secret.
References in periodicals archive ?
Martek Biosciences Corporation (NASDAQ: MATK) announced today that it has entered into a research collaboration agreement with SmithKline Beecham Corporation (SB) for the use of Martek's propietary Reconnaissance Probe technology to "map" the binding-sites where drugs interact with receptor-site proteins of key interest to SB's research program.
The enlarged DSPC production center will initially operate seven upgraded propietary DSPC machines.
s (NYSE: AZA) ophthalmic product line and technology, consisting of the Ocusert (R) (pilocarpine) Pilo-20 and Pilo-40 Ocular Therapeutic Systems and propietary ophthalmic drug delivery technology.